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Cases
Choosing a case is a subjective endeavor. We've listed some of our favorites below, and we recommend them wholeheartedly. That said, we acknowledge that not everybody will like their look or design as much as we do. To be honest, we don't mind folks following their hearts here, so long as they wind up buying something well-built from a manufacturer with a good reputation.

Buying a cheap, bare-bones case is one way to save a bit of cash, but it's not a very good way to do it. Quality cases make the system assembly process much more straightforward, thanks to tool-less drive bays, cable-routing amenities, pre-mounted motherboard stand-offs, and well-finished edges that won't draw blood. Quality cases tend to be quieter and to keep components cooler, as well. There's a whole world of difference in usability between a crummy $25 enclosure and a decent $50 one.

Budget

Product Price Notable needs
Cooler Master N200 $49.99 microATX motherboard
Corsair Carbide Series 200R $59.99 N/A
Fractal Design Define Nano S $64.99 mini-ITX motherboard

Cooler Master's N200 is a small and affordable case designed for microATX motherboards. The N200 is quite comfortable to work in, and its $50 price tag won’t break the bank even on a tight budget. Its twin stock fans are a welcome feature in this price range, although they don’t offer an easy positive-pressure configuration like pricier models.

Meanwhile, Corsair's Carbide Series 200R has been our favorite budget ATX enclosure ever since we reviewed it a while back. The thing is loaded with enthusiast-friendly goodies, from ubiquitous thumbscrews to tool-free bays for optical, mechanical, and solid-state storage. There's ample room for cable routing, too, and the stock fans are rather quiet. This is an ATX case that will accommodate any of the motherboards we recommended. 

If you're thinking about going Mini-ITX for the first time, Fractal Design's Define Nano S makes life with a Mini-ITX motherboard easy. This Editor's Choice-winning tower-style case offers a smaller footprint than microATX or ATX mid-towers without sacrificing usability or cooling performance.

Sweet spot

Product Price Notable needs
Fractal Design Define S $79.99 N/A
Corsair Carbide Series Air 240 $84.99 microATX motherboard, fan splitter
Fractal Design Define R5 $89.99 N/A
Cooler Master MasterCase Pro 5 $129.99 N/A
Corsair Carbide Series 600C $139.99 N/A
Corsair Obsidian Series 750D $139.99 N/A

Bridging our budget and sweet spot picks is Fractal Design's Define S, another TR Editor's Choice award winner. This ATX mid-tower features a completely open main chamber that's a pleasure to work in, and it's nearly as quiet in operation as the company's more expensive Define R5. Builders should take note of its limited room for storage, however. There's only room for three 3.5" and two 2.5" drives, and no provisions at all for optical storage. If this case meets your needs, it's hard to beat in this price range.

microATX builders should check out the TR Recommended Corsair Carbide Series Air 240, a cuboidal chassis with a dedicated chamber for the power supply, hard drives, and SSDs. Despite its small size, this case is a delight to build in, and its dual-chamber design helps it run cool and quiet. Like the rest of the Corsair cases in this section, the Air 240 also has more intake fans than exhausts. That means positive pressure inside, which should prevent dust from sneaking in through cracks and unfiltered vents. Just consider adding a fan splitter cable to your shopping cart—most smaller motherboards don't have enough fan headers to manage the Air 240's trio of stock spinners.

For builders who want a more premium ATX mid-tower, we recommend Fractal Design's Define R5, another winner of our TR Editor's Choice award. This case doesn't just look slick and stealthy. It's also a pleasure to build in, and it has great noise-reduction features. Fractal Design offers the R5 in black (with or without a window), titanium (also windowed or non-windowed), and white (fenestrated and non-fenestrated, of course).

A new contender between the Define R5 and Corsair's Obsidian 750D is Cooler Master's MasterCase Pro 5. This TR Recommended case is built with a highly modular interior that can be endlessly reconfigured to suit the needs of almost any conceivable system. Its heavy-duty steel construction and stealthy looks help put it a cut above other cases, too.

Another new entrant to our sweet-spot recommendations is the Corsair Carbide Series 600C. This case features an unusual “inverse ATX” design that puts the motherboard on the left side of the case and the power supply on top. With the right fan control options, the 600C kept our test system cool and whisper-quiet. It's quite the looker, too.

If you need an ATX full-tower and all the space that label implies, Corsair's Obsidian Series 750D remains the luxury sedan of PC enclosures. This case is similar in design to the company's Obsidian 350D and 450D, but Corsair makes it big enough to accommodate E-ATX motherboards. The 750D is an extremely spacious case that's an absolute delight to work in. It's pretty darn quiet, too.

High end

Product Price Notable needs
Cooler Master Cosmos II $339.99 A forklift

At roughly 14" x 28" x 26", the Cooler Master Cosmos II is humongous. At around $330, it's also quite expensive. This thing is unarguably impressive, though, with even roomier innards than the 750D and all kinds of premium features, including gull-wing doors, sliding metal covers, and a compartmentalized internal layout. We didn't give it an Editor's Choice award by accident.

Power supplies
Buying a good power supply for your new PC is a must. Cheap PSUs can cause all kinds of problems, from poor stability to premature component failures. Also, many cheap units deceive with inflated wattage ratings. For example, a "500W" bargain-bin PSU might get half of its rating from the 5V rail, which is relatively unimportant, leaving only 250W for the 12V rail, which supplies most power-hungry components like the CPU and GPU. By contrast, quality PSUs derive most of their wattage ratings from the capacity of their 12V rails. That means an el-cheapo 500W unit could be less powerful in practice than a quality 350W PSU.

The power supplies we've singled out below are quality units from trustworthy manufacturers who offer at least three years of warranty coverage. Past editions of the System Guide have featured modular PSUs exclusively, but we've changed our thinking on that topic, at least at the budget level. Although modular cabling certainly helps to keep the inside of a PC less cluttered, the benefits are largely cosmetic. Folks without windowed cases may not need modular cables, and others may not be able to afford the perk.

At the same wattage, higher-quality PSUs with non-modular cables can often be had for only a little more money than lower-quality alternatives. While modular cabling is still a consideration, we've included some non-modular recommendations that trade convenience for better internal components and longer warranties.

We also tried to find PSUs with 80 Plus Bronze or better certification. 80 Plus Bronze guarantees efficiency of 82-85%, depending on the load. The higher a PSU's efficiency, the less energy it turns into heat while converting AC to DC power, and the easier it is to cool quietly. 80 Plus Bronze, Silver, or Gold units tend to have large, slow-spinning fans that are barely audible during normal use. They'll save you a bit of money on your power bill over the long run, too.

Budget

Product Price Notes
Corsair CX430 $39.99 Non-modular, one 6+2-pin PCIe power connector
Corsair CX450M $49.99 Semi-modular, one 6+2-pin PCIe power connector

For entry-level systems, we're continuing to recommend Corsair's CX430 PSU. This 80 Plus Bronze unit has a 120-mm fan and a three-year warranty. It only has one PCIe eight-pin auxiliary connector, but that's OK. Entry-level and midrange graphics cards often need just one auxiliary connection from the PSU these days anyway.

Corsair seems to be phasing out its CX430M in favor of a new model, the CX450M. This semi-modular unit offers a minor wattage bump over the CX430, but its specs are otherwise similar. We're checking with Corsair to see what's changed inside this PSU, but we're still comfortable recommending it for now. We've never gotten a single complaint in our inboxes about the performance of these entry-level units from Guide readers who've built with them.

Reader feedback is one thing, but reviewers like the CX PSU line, too. The reviewers at JonnyGuru and Hardware Secrets both praise the CX430, and Legit Reviews liked the quality and performance of the CX430M when it examined one. Even if something was to go wrong with either of these PSUs, we'd rather buyers have the backing of Corsair's service and support than be left in the cold with a cheap, no-name PSU of dubious quality.

The SeaSonic S12II 430W unit we used to recommend at the top of this range now sells for $70 instead of the $50 it used to command. We tried to find a replacement unit of similar quality, but we came up short. It appears the Corsair CX450M is the best thing going for $50 right now.

Sweet spot

Product Price Notes
EVGA Supernova G2 550W $74.99 Fully modular, dual 6+2-pin PCIe connectors,
semi-silent mode
EVGA Supernova G2 750W $109.99 Fully modular,
quad 6+2-pin PCIe connectors,
semi-silent mode

PSUs aspiring to the Sweet Spot need to do more than the basics. We demand semi-modular cabling here at the bare minimum. 80 Plus Gold efficiency ratings should ideally be on the table, as well, along with semi-silent fans that spin down completely under lighter loads.

We're continuing to recommend EVGA’s superb Supernova G2 550W PSU for systems that need more oomph than the SeaSonic or Corsair PSUs in our budget range. The 80 Plus Gold-certified G2 550W is so good that the PSU reviewers over at JonnyGuru gave it a rare perfect score. Consider us sold. EVGA backs this unit with a seven-year warranty, too.

If you need more power for lots of hard drives or basic multi-GPU configurations, EVGA's Supernova G2 750W fits the bill. According to the reviewers at JonnyGuru, the Supernova G2's power delivery is practically perfect. EVGA is so confident in the Supernova G2 that it backs the PSU with a 10-year warranty if users register with the company, but beware: without registration, the warranty coverage is only three years.

High end

Product Price Notes
EVGA Supernova P2 850W $129.99 Fully modular,
quad 6+2-pin PCIe connectors,
semi-silent mode

The prices on 80 Plus Platinum PSUs appear to be coming out of the stratosphere a bit. Given that development, we're recommending EVGA's Supernova 850 P2 for the highest-end systems we think builders might want to put together from the System Guide. This unit sells for the same price as the 80 Plus Gold Supernova 850 G2 that we used to recommend, and it gets the same rave reviews and 10-year warranty as the rest of EVGA's high-end PSUs. It has all the PCIe power connectors one might need for a two-way SLI build, too. If the price on the 850 P2 should shoot back up, the Supernova G2 850W is still an excellent buy.